# -*- coding: utf-8 -*-

#
# Copyright (c) 2014-2019 Virtual Cable S.L.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
#    * Redistributions of source code must retain the above copyright notice,
#      this list of conditions and the following disclaimer.
#    * Redistributions in binary form must reproduce the above copyright notice,
#      this list of conditions and the following disclaimer in the documentation
#      and/or other materials provided with the distribution.
#    * Neither the name of Virtual Cable S.L.U. nor the names of its contributors
#      may be used to endorse or promote products derived from this software
#      without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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"""
Author: Adolfo Gómez, dkmaster at dkmon dot com
"""
import logging

from uds.core import exceptions, types, consts
from uds.core.ui import gui
from uds.REST import Handler

logger = logging.getLogger(__name__)

# Enclosed methods under /auth path


class Callback(Handler):
    """
    API:
        Executes a callback from the GUI. Internal use, not intended to be called from outside.
    """
    path = 'gui'

    min_access_role = consts.UserRole.STAFF

    def get(self) -> types.ui.CallbackResultType:
        if len(self._args) != 1:
            raise exceptions.rest.RequestError('Invalid Request')

        if self._args[0] in gui.callbacks:
            return gui.callbacks[self._args[0]](self._params)

        raise exceptions.rest.NotFound('callback {0} not found'.format(self._args[0]))
